Wizard: Step 1

lib/wizard/step_updater.rb

@@ -0,0 +1,42 @@
+class Wizard
+  class StepUpdater
+
+    attr_accessor :errors
+
+    def initialize(current_user, id)
+      @current_user = current_user
+      @id = id
+      @errors = []
+    end
+
+    def update(fields)
+      updater_method = "update_#{@id.underscore}".to_sym
+
+      if respond_to?(updater_method)
+        send(updater_method, fields.symbolize_keys)
+      else
+        raise Discourse::InvalidAccess.new
+      end
+    end
+
+    def update_forum_title(fields)
+      update_setting(:title, fields, :title)
+      update_setting(:site_description, fields, :site_description)
+    end
+
+    def success?
+      @errors.blank?
+    end
+
+    protected
+
+      def update_setting(id, fields, field_id)
+        value = fields[field_id]
+        value.strip! if value.is_a?(String)
+        SiteSetting.set_and_log(id, value, @current_user)
+      rescue Discourse::InvalidParameters => e
+        @errors << {field: field_id, description: e.message }
+      end
+
+  end
+end